The American pre-civil war got very wide spread because people started protesting toward the government.  Slavery was a big issue because the south slaves were not free but the other part of the state which is north america made slaves free. There was speeches that started to encourage slavery to stop because of the treatment of the slaves and that everyone should be equal throughout the country.
        
             
        
        
        
North Korea gets their citizens in fear by showing them propaganda about the United States.
        
             
        
        
        
(a) Microville has the absolute advantage producing cars. Because the most it can produce is 10 while Macroville can only produce 5.
(b) The opportunity cost is 5 cars if Macroville decides to use all of its resources and produce 20 boats.
  
(c) Microville has the comparative advantage in producing cars? Because its opportunity cost for 1 car is 1 boat while Macroville's cost for 1 car is 4 boats.
(d) If each country were to specialize in producing either cars or boats and then trade for the other product, Macroville makes 20 boats and Microville makes 10 cars. Each country produces the goods it has a comparative advantage in. Cars for Microville and boats for Macroville.